package com.jd.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;


/**
 * 跨域
 */
@Configuration
public class CrosConfig {


    public CrosConfig(){

    }


    @Bean
    public CorsFilter corsFilter(){
        //1、添加cors配置信息
        CorsConfiguration config=new CorsConfiguration();
        //前端地址
        config.addAllowedOrigin("http://localhost:8080");
        //设置是否发送
        config.setAllowCredentials(true);
        //设置允许请求的方式
        config.addAllowedMethod("*");
        //设置允许的header
        config.addAllowedHeader("*");

        //2、为url添加映射路径
        UrlBasedCorsConfigurationSource corsSource=new UrlBasedCorsConfigurationSource();
        corsSource.registerCorsConfiguration("/**",config);

        //3、 返回重新定义好的corsSource
        return new CorsFilter(corsSource);
    }

}
